. General Description
TT1628(SOP 28) / TT1668(SOP 24) is an LED Controller driver with key scan function . Ten
segment output lines, four grid output lines, Three segment/grid output lines , display memory,
pulse width control circuit , key scan circuit , 3 wire interface circuit are all incorporated into
a single chip to build a highly reliable peripheral device for a single chip microcomputer.
Features
◆ Multiple Display Modes (10 segment X 7 Grid to 13 segment X 4 Grid)
◆ Key Scanning (10 x 2 )
◆ 8 step Dimming adjustment
◆ Build-in RC oscillator
◆ Serial interface for clock, data Input/ output, strobe pins
◆ SOP28 package (TT1628) / SOP24 package(TT1668)
◆ CMOS technology
◆ Low power consumption
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TT1668
. General Description
TT1628(SOP 28) / TT1668(SOP 24) is an LED Controller driver with key scan function . Ten
segment output lines, four grid output lines, Three segment/grid output lines , display memory,
pulse width control circuit , key scan circuit , 3 wire interface circuit are all incorporated into
a single chip to build a highly reliable peripheral device for a single chip microcomputer.
Features
◆ Multiple Display Modes (10 segment X 7 Grid to 13 segment X 4 Grid)
◆ Key Scanning (10 x 2 )
◆ 8 step Dimming adjustment
◆ Build-in RC oscillator
◆ Serial interface for clock, data Input/ output, strobe pins
◆ SOP28 package (TT1628) / SOP24 package(TT1668)
◆ CMOS technology
◆ Low power consumption
TT1628(SOP 28) / TT1668(SOP 24) is an LED Controller driver with key scan function . Ten
segment output lines, four grid output lines, Three segment/grid output lines , display memory,
pulse width control circuit , key scan circuit , 3 wire interface circuit are all incorporated into
a single chip to build a highly reliable peripheral device for a single chip microcomputer.
Features
◆ Multiple Display Modes (10 segment X 7 Grid to 13 segment X 4 Grid)
◆ Key Scanning (10 x 2 )
◆ 8 step Dimming adjustment
◆ Build-in RC oscillator
◆ Serial interface for clock, data Input/ output, strobe pins
◆ SOP28 package (TT1628) / SOP24 package(TT1668)
◆ CMOS technology
◆ Low power consumption
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